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index.js
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import "ol/ol.css";
import * as ol from "ol";
import { Map, View, Overlay } from "ol";
import XYZ from "ol/source/XYZ";
import { OSM, TileArcGISRest, ImageArcGISRest, TileImage, Vector as VectorSource, WMTS, ImageStatic } from "ol/source";
import WMTSTileGrid from 'ol/tilegrid/WMTS';
import TileWMS from 'ol/source/TileWMS';
import ImageWMS from 'ol/source/ImageWMS';
import TileGrid from "ol/tilegrid/TileGrid"
import { tile as tileStrategy } from 'ol/loadingstrategy';
import { createXYZ } from 'ol/tilegrid';
import * as proj from "ol/proj";
import { Tile as TileLayer, Vector as VectorLayer, Image as ImageLayer, Heatmap } from 'ol/layer';
import { Circle as CircleStyle, Fill, Stroke, Style, Icon, Text } from 'ol/style';
import GeoJSON from 'ol/format/GeoJSON.js';
import EsriJSON from 'ol/format/EsriJSON';
import * as extent from 'ol/extent';
import { defaults as defaultControls, ScaleLine, OverviewMap } from 'ol/control';
import Draw from 'ol/interaction/Draw';
//import {unByKey} from 'ol/Observable';
import * as sphere from 'ol/sphere';
import * as Observable from 'ol/Observable';
import Projection from 'ol/proj/Projection';
import Feature from 'ol/Feature';
import { fromCircle as makeCircle } from "ol/geom/Polygon";
import { bbox as bboxStrategy } from 'ol/loadingstrategy';
import { Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, Circle } from 'ol/geom';
import { DEVICE_PIXEL_RATIO } from 'ol/has.js';
import WindyStn from "./widgets/WindyStn"
import WindyGrid from "./widgets/WindyGrid"
import ADLayer from "./widgets/echart.es5"
import * as turf from "@turf/turf"
import proj4 from 'proj4'
import jsonConverters from './widgets/jsonConverters'
import { saveAs } from 'file-saver';
import html2canvas from 'html2canvas'
import lidw from "./widgets/lidw"
import lidwraster from "./widgets/lidwraster_ol"
import lcolor from "./widgets/lcolor"
import ldraw from "./widgets/ldraw_ol"
import llineChunk from "./widgets/llinechunk"
import lgaussAir from "./widgets/lgaussair"
import projcn from './widgets/proj'
let lgis = function () {
var map = null;
let view = null;
this.layerlist = [];
this.eventlist = [];
this.overlist = [];
this.mapEvents = [];
this.basemaps = {
//天地图-矢量-底图
tdt_vec_w: { id: "tdt_vec_w", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=vec_w&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202" },
//天地图-矢量-注记
tdt_cva_w: { id: "tdt_cva_w", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=cva_w&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202" },
//天地图-影像-底图
tdt_img_w: { id: "tdt_img_w", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=img_w&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202" },
//天地图-影像-注记
tdt_cia_w: { id: "tdt_cia_w", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=cia_w&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202" },
//天地图-地形-底图
tdt_ter_w: { id: "tdt_ter_w", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=ter_w&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202" },
//天地图-地形-注记
tdt_cta_w: { id: "tdt_cta_w", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=cta_w&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202" },
//天地图-矢量-底图-wmts
tdt_vec_w_wmts: { id: "tdt_vec_w_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/vec_w/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'vec', matrixSet: 'w' },
//天地图-矢量-注记-wmts
tdt_cva_w_wmts: { id: "tdt_cva_w_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/cva_w/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'cva', matrixSet: 'w' },
//天地图-影像-底图-wmts
tdt_img_w_wmts: { id: "tdt_img_w_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/img_w/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'img', matrixSet: 'w' },
//天地图-影像-注记-wmts
tdt_cia_w_wmts: { id: "tdt_cia_w_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/cia_w/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'cia', matrixSet: 'w' },
//天地图-地形-底图-wmts
tdt_ter_w_wmts: { id: "tdt_ter_w_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/ter_w/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'ter', matrixSet: 'w' },
//天地图-地形-注记-wmts
tdt_cta_w_wmts: { id: "tdt_cta_w_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/cta_w/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'cta', matrixSet: 'w' },
//天地图-矢量-底图-经纬度
tdt_vec_c: { id: "tdt_vec_c", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=vec_c&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202", crs: 'EPSG:4326' },
//天地图-矢量-注记-经纬度
tdt_cva_c: { id: "tdt_cva_c", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=cva_c&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202", crs: 'EPSG:4326' },
//天地图-影像-底图-经纬度
tdt_img_c: { id: "tdt_img_c", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=img_c&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202", crs: 'EPSG:4326' },
//天地图-影像-注记-经纬度
tdt_cia_c: { id: "tdt_cia_c", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=cia_c&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202", crs: 'EPSG:4326' },
//天地图-地形-底图-经纬度
tdt_ter_c: { id: "tdt_ter_c", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=ter_c&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202", crs: 'EPSG:4326' },
//天地图-地形-注记-经纬度
tdt_cta_c: { id: "tdt_cta_c", type: "tdt", url: "http://t{0-7}.tianditu.com/DataServer?T=cta_c&x={x}&y={y}&l={z}&tk=619944c64ea5110052ab50df192eb202", crs: 'EPSG:4326' },
//天地图-矢量-底图-wmts-经纬度
tdt_vec_c_wmts: { id: "tdt_vec_c_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/vec_c/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'vec', matrixSet: 'c', crs: 'EPSG:4326' },
//天地图-矢量-注记-wmts-经纬度
tdt_cva_c_wmts: { id: "tdt_cva_c_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/cva_c/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'cva', matrixSet: 'c', crs: 'EPSG:4326' },
//天地图-影像-底图-wmts-经纬度
tdt_img_c_wmts: { id: "tdt_img_c_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/img_c/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'img', matrixSet: 'c', crs: 'EPSG:4326' },
//天地图-影像-注记-wmts-经纬度
tdt_cia_c_wmts: { id: "tdt_cia_c_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/cia_c/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'cia', matrixSet: 'c', crs: 'EPSG:4326' },
//天地图-地形-底图-wmts-经纬度
tdt_ter_c_wmts: { id: "tdt_ter_c_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/ter_c/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'ter', matrixSet: 'c', crs: 'EPSG:4326' },
//天地图-地形-注记-wmts-经纬度
tdt_cta_c_wmts: { id: "tdt_cta_c_wmts", type: "wmts", url: "http://t{0-7}.tianditu.gov.cn/cta_c/wmts?tk=619944c64ea5110052ab50df192eb202", format: 'tiles', layer: 'cta', matrixSet: 'c', crs: 'EPSG:4326' },
//OSM
osm: { id: "osm", type: "osm" },
//高德-矢量-底图
gaode_vec: { id: "gaode_vec", type: "gaode", url: 'http://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=7&x={x}&y={y}&z={z}' },
//高德-矢量-底图
gaode_img: { id: "gaode_img", type: "gaode", url: 'http://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=6&x={x}&y={y}&z={z}' },
//高德-矢量-底图
gaode_road: { id: "gaode_road", type: "gaode", url: 'http://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=8&x={x}&y={y}&z={z}' },
//GeoQ-暖色-底图
geoq_vec: { id: "geoq_vec", type: "geoq", url: 'https://map.geoq.cn/arcgis/rest/services/ChinaOnlineCommunity/MapServer/tile/{z}/{y}/{x}' },
//GeoQ-灰色-底图
geoq_gray: { id: "geoq_gray", type: "geoq", url: 'https://map.geoq.cn/arcgis/rest/services/ChinaOnlineStreetGray/MapServer/tile/{z}/{y}/{x}' },
//GeoQ-深蓝-底图
geoq_blue: { id: "geoq_blue", type: "geoq", url: 'https://map.geoq.cn/arcgis/rest/services/ChinaOnlineStreetPurplishBlue/MapServer/tile/{z}/{y}/{x}' },
//百度-默认地图
baidu: { id: "baidu", type: "baidu", url: "http://api0.map.bdimg.com/customimage/tile?&x={x}&y={y}&z={z}&scale=1&ak=yI5xHIM4KRSSgOGgvfiKBiVaGwa34Epi" },
//百度-午夜蓝黑
baidu_midnight: { id: "baidu_midnight", type: "baidu", url: "http://api0.map.bdimg.com/customimage/tile?&x={x}&y={y}&z={z}&udt=20190528&scale=1&ak=E4805d16520de693a3fe707cdc962045&customid=midnight" },
//百度-黑色
baidu_dark: { id: "baidu_dark", type: "baidu", url: "http://api0.map.bdimg.com/customimage/tile?&x={x}&y={y}&z={z}&udt=20190528&scale=1&ak=E4805d16520de693a3fe707cdc962045&customid=dark" },
//百度-绿色
baidu_grassgreen: { id: "baidu_grassgreen", type: "baidu", url: "http://api0.map.bdimg.com/customimage/tile?&x={x}&y={y}&z={z}&udt=20190528&scale=1&ak=E4805d16520de693a3fe707cdc962045&customid=grassgreen" },
//百度-灰色
baidu_grayscale: { id: "baidu_grayscale", type: "baidu", url: "http://api0.map.bdimg.com/customimage/tile?&x={x}&y={y}&z={z}&udt=20190528&scale=1&ak=E4805d16520de693a3fe707cdc962045&customid=grayscale" },
//谷歌-矢量-底图
google_vec: { id: "google_vec", type: "google_vec", url: 'http://www.google.cn/maps/vt?lyrs=m@189&gl=cn&x={x}&y={y}&z={z}' },
//谷歌-影像-底图
google_img: { id: "google_img", type: "google_img", url: "http://www.google.cn/maps/vt?lyrs=s@189&gl=cn&x={x}&y={y}&z={z}" },
//mapbox-矢量-底图
mapbox_hypso: { id: "mapbox_hypso", type: "mapbox_hypso", url: 'https://b.tiles.mapbox.com/v3/mapbox.natural-earth-hypso-bathy/{z}/{x}/{y}' },
//mapbox-影像-底图
mapbox_ter: { id: "mapbox_ter", type: "mapbox_ter", url: "https://b.tiles.mapbox.com/v3/mapbox.natural-earth-1/{z}/{x}/{y}.png" },
//mapbox-矢量-底图
mapbox_dark: { id: "mapbox_dark", type: "mapbox_dark", url: 'https://b.tiles.mapbox.com/v3/mapbox.world-dark/{z}/{x}/{y}.png' },
//mapbox-影像-底图
mapbox_black: { id: "mapbox_black", type: "mapbox_black", url: "https://b.tiles.mapbox.com/v3/mapbox.world-black/{z}/{x}/{y}.png" },
//超图-矢量
supermap_vec: { id: "supermap_vec", type: "supermap", url: 'http://t1.supermapcloud.com/FileService/image?x={x}&y={y}&z={z}' },
//超图-深色
supermap_dark: { id: "supermap_dark", type: "supermap", url: "http://t3.supermapcloud.com/MapService/getGdp?map=quanguo&type=web&x={x}&y={y}&z={z}" },
}
this.imgLayer = null;
this.tmpLayers = [];
this.popup, this.popupDom;
this.basemapConfig;
this.baselayers = [];
this.drawLayer;
this.drawInteraction = null;
this.isMeasure = false;
this.addMeasureInteraction = addMeasureInteraction;
this.addMeasureSource = addMeasureSource;
this.clearMeasure = clearMeasure;
this.MeasureDraw = null;
this.MeasureSource = null;
this.MeasureVector = null;
this.Measurelistener = null;//绑定交互绘制工具开始绘制的事件
this.MeasureSketch = null;
this.initMap = initMap;
this.setMapCenter = setMapCenter
this.setLayerVisible = setLayerVisible;
this.addPoints = addPoints;
this.addLines = addLines;
this.addPolygons = addPolygons;
this.addWindy = addWindy;
this.addImage = addImage;
this.addHeatmap = addHeatmap;
this.addOverlays = addOverlays;
this.addServerLayer = addServerLayer;
this.addPointlink = addPointlink;
this.addMapEvent = addMapEvent;
this.removeMapEvent = removeMapEvent;
this.addScale = addScale;
this.addOverview = addOverview;
this.fromLonLat = fromLonLat;
this.toLonLat = toLonLat;
this.flyTo = flyTo;
this.fitLayerExtent=fitLayerExtent;
this.draw0 = draw0;
this.draw = draw;
this.drawStop = drawStop;
this.drawClear = drawClear;
this.buffer = buffer;
this.interpolate = interpolate;
this.lineChunk = lineChunk;
this.lineColorful = lineColorful;
this.setSize = setSize;
this.showInfo = showInfo;
this.hideInfo = hideInfo;
this.layerClear = layerClear;
this.layerOrder = layerOrder;
this.drawAnalysisPoint = drawAnalysisPoint;
this.ExplosiveAnalysis = ExplosiveAnalysis;
this.EsriJsonToGeoJson = EsriJsonToGeoJson;
this.GeoJsonToEsriJson = GeoJsonToEsriJson;
this.isInsidePolygon = isInsidePolygon;
this.createCircle = createCircle;
this.CreateEllipse = CreateEllipse;
this.CreateSector = CreateSector;
this.CreateArrow = CreateArrow;
this.createBuffer = createBuffer;
this.mapShot = mapShot;
this.getLength = getLength;
this.getExtent = getExtent;
this.updateFeatureText = updateFeatureText
this.updateFeatureSymbol = updateFeatureSymbol;
this.gradientColor = lcolor.gradientColor;
this.getPOI = getPOI;
this.getGeoCode = getGeoCode;
this.getLayerById = getLayerById;
this.showDirectionLabel = showDirectionLabel;
this.gaussAir = gaussAir;
this.union = union;
this.getLayerBorder = getLayerBorder;
this.distance = distance;
this.projcn = projcn;
this.getProjection = getProjection;
this.addLabelToLayer = addLabelToLayer;
this.clearLabelLayer = clearLabelLayer;
this.addMarkingToLayer = addMarkingToLayer;
this.clearMarkingLayer = clearMarkingLayer;
this.PathAnimation = PathAnimation;
var _this = this;
var image = new CircleStyle({
radius: 5,
fill: new Fill({ color: 'red' }),
stroke: new Stroke({ color: 'orange', width: 1 })
});
var styles = {
'Point': new Style({
image: image
}),
'LineString': new Style({
stroke: new Stroke({
color: 'red',
width: 1
})
}),
'MultiLineString': new Style({
stroke: new Stroke({
color: 'red',
width: 10
})
}),
'MultiPoint': new Style({
image: image
}),
'MultiPolygon': new Style({
stroke: new Stroke({
color: 'rgba(255, 255, 255, 0.7)',
width: 2
}),
fill: new Fill({
color: 'rgba(255, 0, 0, 0.3)'
})
}),
'Polygon': new Style({
stroke: new Stroke({
color: 'rgba(255, 255, 255, 0.7)',
lineDash: [1],
width: 2
}),
fill: new Fill({
color: 'rgba(255, 0, 0, 0.3)'
})
}),
'GeometryCollection': new Style({
stroke: new Stroke({
color: 'magenta',
width: 2
}),
fill: new Fill({
color: 'magenta'
}),
image: new CircleStyle({
radius: 10,
fill: null,
stroke: new Stroke({
color: 'magenta'
})
})
}),
'Circle': new Style({
stroke: new Stroke({
color: 'red',
width: 2
}),
fill: new Fill({
color: 'rgba(255,0,0,0.2)'
})
})
};
this._MapConfig = {
container: "map"
}
var Resolutions = [
156543.03392800014,
78271.51696399994,
39135.75848200009,
19567.87924099992,
9783.93962049996,
4891.96981024998,
2445.98490512499,
1222.992452562495,
611.4962262813797,
305.74811314055756,
152.87405657041106,
76.43702828507324,
38.21851414253662,
19.10925707126831,
9.554628535634155,
4.77731426794937,
2.388657133974685,
1.1943285668550503,
0.5971642835598172,
0.29858214164761665
]
//初始化地图容器
function initMap(options) {
this._MapConfig = Object.assign(this._MapConfig, options);
this.basemapConfig = options.basemaps;
if (this.basemapConfig) {
this.basemapConfig.forEach(basemap => {
let layer = getLayerByType(basemap.type, basemap);
_this.baselayers.push(layer);
})
_this.layerlist = _this.baselayers;
options.baselayers = _this.baselayers;
createMap(options);
} else {
//未设置底图，留空
}
}
function setMapCenter(x, y) {
var center = [x, y];
view.setCenter(center);
}
//创建地图
function createMap(options) {
let container = options.container;
let baselayers = options.baselayers;
let center = options.center;
let zoom = options.zoom;
let minZoom = options.minZoom;
let maxZoom = options.maxZoom;
// 设置地图坐标系
var projection = baselayers.length > 0 ? baselayers[0].getSource().getProjection() : null;
if (!center) center = [0, 0]
var projectionCode;
if (projection) projectionCode = projection.getCode()
else if (options.basemaps.length > 0 && options.basemaps[0].crs) projectionCode = options.basemaps[0].crs;
else projectionCode = 'EPSG:3857'
// 中心点坐标计算
if (projectionCode == 'EPSG:3857') center = proj.fromLonLat(center)
let p = proj4.defs(projectionCode, coordtrsf[projectionCode.replace('EPSG:', '')])
view = new View({
center: center,
zoom: zoom ? zoom : 1,
minZoom: minZoom ? minZoom : 0,
maxZoom: maxZoom ? maxZoom : 28,
projection: projection ? projection : proj.get(projectionCode)
})
map = new Map({
target: container ? container : "map",
layers: baselayers,
view: view,
});
_this.map = map;
//兼容mapv
//window.ol = ol;
window.map = map;
//气泡初始化
var popupDiv = document.createElement("div");
popupDiv.id = "ol-popup";
popupDiv.className = "ol-popup";
popupDiv.innerHTML = '<a href="#" id="ol-popup-closer" class="ol-popup-closer"></a><div id="ol-popup-title" class="index-body">11</div><div id="ol-popup-content">11</div>';
document.body.appendChild(popupDiv);
_this.popupDom = {
container: document.getElementById('ol-popup'),
title: document.getElementById('ol-popup-title'),
content: document.getElementById('ol-popup-content'),
closer: document.getElementById('ol-popup-closer')
}
_this.popup = new Overlay({
element: _this.popupDom.container,
autoPan: true,
autoPanAnimation: {
duration: 250
}
});
_this.popupDom.closer.onclick = function () {
_this.popup.setPosition(undefined);
_this.popupDom.closer.blur();
return false;
};
//地图单机事件
map.on('singleclick', function (e) {
var pixel = map.getEventPixel(e.originalEvent);
var featureInfo = map.forEachFeatureAtPixel(pixel, function (feature, layer) {
return { feature: feature, layer: layer };
});
if (featureInfo !== undefined && featureInfo !== null && featureInfo.layer !== null) {
// console.log(featureInfo.feature);
// console.log(featureInfo.layer);
//查找监听点击事件的图层
for (let i = 0; i < _this.eventlist.length; i++) {
const eventLayer = _this.eventlist[i];
if (eventLayer == featureInfo.layer) {
var popupinfo = eventLayer.popupFunction({
event: e.originalEvent,
attributes: featureInfo.feature.getProperties(),
properties: featureInfo.feature.getProperties(),
layerId: featureInfo.layer.get('id')
});
if (popupinfo) {
showInfo(featureInfo.feature, popupinfo.title, popupinfo.content);
}
}
}
let feature = featureInfo.feature;
var type = feature.getGeometry().getType();
var property = feature.getProperties();
return;
}
})
//tooltip要素
let tipDiv = document.createElement('div');
tipDiv.className = 'mapTooltip';
tipDiv.style.position = 'absolute';
_this.tooltip = tipDiv;
document.body.appendChild(tipDiv);
let tooltip_waitClose = false;
//地图绑定鼠标移出事件，鼠标移出时为帮助提示框设置隐藏样式
map.getViewport().addEventListener('mouseout', function () {
if (helpTooltipElement != null) {
helpTooltipElement.className = "ol-tooltip hidden";
}
});
//地图滑过事件
map.on('pointermove', function (e) {
if (this.isMeasure) {
pointerMoveHandler(e);
return;
}
var pixel = map.getEventPixel(e.originalEvent);
var featureInfo = map.forEachFeatureAtPixel(pixel, function (feature, layer) {
return { feature: feature, layer: layer };
});
if (featureInfo !== undefined && featureInfo !== null && featureInfo.layer !== null) {
// console.log(featureInfo.feature);
// console.log(featureInfo.layer);
//查找监听点击事件的图层
for (let i = 0; i < _this.overlist.length; i++) {
const eventLayer = _this.overlist[i];
if (eventLayer == featureInfo.layer) {
var tooltipinfo = eventLayer.tooltipFunction(featureInfo.feature.getProperties());
if (tooltipinfo) {
showTooltip(featureInfo.feature, tooltipinfo);
tooltip_waitClose = true;
return;
}
}
}
if (tooltip_waitClose) {
hideTooltip();
tooltip_waitClose = false;
}
let feature = featureInfo.feature;
var type = feature.getGeometry().getType();
var property = feature.getProperties();
return;
}
if (tooltip_waitClose) {
hideTooltip();
tooltip_waitClose = false;
}
})
map.on('postcompose', function (e) {
if (options.callback) {
options.callback(e);
}
})
}
var AnalysisLyr = null;
var AnalysisResultLyr = null;
var AnalysisPointCoord = null;
var AnalysisDrawTool = null;
//设置分析绘点图层
function AnalysisPointLayer() {
AnalysisLyr = new VectorLayer({
source: new VectorSource(),
style: new Style({
image: new CircleStyle({
radius: 2,
fill: new Fill({
color: "rgba(0,0,0,0)"
})
})
}),
zIndex: 90
});
map.addLayer(AnalysisLyr);
}
//销毁分析图层与绘图工具
function destroyAnalysisLayer() {
if (AnalysisLyr) {
map.removeLayer(AnalysisLyr);
AnalysisLyr = null;
}
if (AnalysisResultLyr) {
map.removeLayer(AnalysisResultLyr);
AnalysisResultLyr = null;
}
if (AnalysisDrawTool) {
map.removeInteraction(AnalysisDrawTool);
AnalysisDrawTool = null;
}
};
//绘制分析点
function drawAnalysisPoint(drawCallback) {
destroyAnalysisLayer();
AnalysisPointLayer();
// 清空图层
AnalysisLyr.getSource().clear();
this.AnalysisLyr = AnalysisLyr
if (AnalysisResultLyr != null) {
AnalysisResultLyr.getSource().clear();
}
if (AnalysisDrawTool) return;
var vPointStyle = new Style({
image: new CircleStyle({
radius: 5,
fill: new Fill({ color: 'red' }),
stroke: new Stroke({ color: 'red', width: 1 })
})
});
// new Style({
// image: new Icon({
// src: require("@/assets/point.png"),
// anchor: [0.5, 1]
// })
// })
AnalysisDrawTool = new Draw({
source: AnalysisLyr.getSource(),
type: 'Point',
style: vPointStyle
});
map.addInteraction(AnalysisDrawTool);
AnalysisDrawTool.on('drawend', function (e) {
// body...
map.removeInteraction(AnalysisDrawTool);
AnalysisDrawTool = null;
var PointCoord = e.feature.getGeometry().getCoordinates();
drawCallback(PointCoord);
e.feature.setStyle(vPointStyle);
});
}
// V 气体体积 m3
// Hc 可燃气体高燃烧热值 kJ/m3
// Cs = [0.06, 0.15, 0.4];//经验常数，取决于伤害等级
//爆炸影响范围分析
function ExplosiveAnalysis(PointCoord, V, Hc, N) {
var ExplosivefeatureArr = [];
this.ExplosivefeatureArr = null;
this.ExplosivefeatureArr = [];
if (AnalysisResultLyr) {
map.removeLayer(AnalysisResultLyr);
AnalysisResultLyr = null;
}
AnalysisResultLyr = new VectorLayer({
source: new VectorSource(),
zIndex: 80
});
AnalysisResultLyr.set("id", "AnalysisResultLyr");
map.addLayer(AnalysisResultLyr);
if (!PointCoord) {
alert('请绘制爆炸发生位置！');
return ExplosivefeatureArr;
}
if (!V || V <= 0) {
alert('输入爆炸气体体积并且不能为负值！');
return ExplosivefeatureArr;
}
var features = [];
var Cs = [0.03, 0.06, 0.15, 0.4];//经验常数，取决于伤害等级
var colors = ["#4d1919", "#b40c08", "#e72319", "#f07675"];
var vLV = ["一级", "二级", "三级", "四级"];
for (var i = Cs.length - 1; i >= 0; i--) {
var boomR = (Cs[i] * Math.pow((N * V * Hc), 1 / 3)).toFixed(1);//损害半径 m
var r = boomR / (2 * Math.PI * 6378137.0) * 360;
var r = parseFloat(boomR);
var bufferCircle = new Circle(PointCoord, r, 'XY');
AnalysisResultLyr.getSource().clear();
var feature = new Feature({
geometry: bufferCircle,
zIndex: i
});
var featureObj = {
"feature": feature,
"roundHeart": PointCoord,
"伤害等级": vLV[i],
"经验常数": Cs[i],
"损失半径": boomR,
"单位": "m",
}
ExplosivefeatureArr.push(featureObj);
feature.setStyle(new Style({
stroke: new Stroke({
color: colors[i],
width: 10
})
}));
var polygon = makeCircle(bufferCircle);
var co = polygon.getCoordinates();
co = co[0][Math.floor(co[0].length / 4)];
var label = new Feature({
geometry: new Point(co),
zIndex: 500
})
label.setStyle(new Style({
text: new Text({
font: '14px 微软雅黑',
fill: new Fill({ color: '#075db3' }),
text: vLV[i] + ":" + boomR + 'm',
rotation: 0,
offsetY: 20,
textBaseline: 'bottom'
})
}));
features.push(feature);
features.push(label);
}
console.log(features, 'features')
AnalysisResultLyr.getSource().addFeatures(features);
map.getView().fit(features[0].getGeometry().getExtent(), map.getSize());
this.ExplosivefeatureArr = ExplosivefeatureArr;
return AnalysisResultLyr;
}
//添加标准图层
// var setLabelObj={
// text:"",
// color:"red",
// fontSize:14,
// fontfamily:"微软雅黑",
// rotation:0,
// offsetX:20,
// offsetY:20
// }
var vLabelLyr = null;
function addLabelToLayer(Coordinates, setLabelObj) {
if (setLabelObj.text == "") {
return;
}
if (vLabelLyr == null) {
vLabelLyr = new VectorLayer({
source: new VectorSource(),
zIndex: 80
});
vLabelLyr.set("id", "vLabelLyr");
map.addLayer(vLabelLyr);
}
var features = [];
var label = new Feature({
geometry: new Point(Coordinates),
zIndex: 500
})
var vTextObj = {
font: '14px 微软雅黑',
fill: new Fill({ color: '#e72319' }),
text: setLabelObj.text,
textBaseline: 'bottom'
};
if (setLabelObj.fontSize != null) {
if (setLabelObj.fontfamily != null) {
vTextObj["font"] = setLabelObj.fontSize + "px " + setLabelObj.fontfamily;
}
}
if (setLabelObj.color != null) {
var vFill = new Fill({ color: setLabelObj.color });
vTextObj["fill"] = vFill;
}
if (setLabelObj.rotation != null) {
vTextObj["rotation"] = setLabelObj.rotation;
}
if (setLabelObj.offsetX != null) {
vTextObj["offsetX"] = setLabelObj.offsetX;
}
if (setLabelObj.offsetY != null) {
vTextObj["offsetY"] = setLabelObj.offsetY;
}
label.setStyle(new Style({
text: new Text(vTextObj)
}));
features.push(label);
vLabelLyr.getSource().addFeatures(features);
}
function clearLabelLayer() {
if (vLabelLyr != null) {
vLabelLyr.getSource().clear();
}
}
var vMarkingLyr = null;
function addMarkingToLayer(Coordinates, MarkingObj) {
if (vMarkingLyr == null) {
vMarkingLyr = new VectorLayer({
source: new VectorSource(),
zIndex: 80
});
vMarkingLyr.set("id", "vMarkingLyr");
map.addLayer(vMarkingLyr);
}
var features = [];
var vFeature = new Feature({
geometry: new Point(Coordinates),
zIndex: 500
})
var vStyle = new Style({
image: new Icon({
anchor: [1, 1],
src: MarkingObj.img
})
})
vFeature.setStyle(vStyle);
features.push(vFeature);
vMarkingLyr.getSource().addFeatures(features);
}
function clearMarkingLayer() {
if (vMarkingLyr != null) {
vMarkingLyr.getSource().clear();
}
}
var measureDraw; // global so we can remove it later
var sketch;
var helpTooltipElement;
var helpTooltip;
var measureTooltipElement;
var measureTooltip;
var continuePolygonMsg = '双击结束绘面';
var continueLineMsg = '双击结束绘线';
function removeMeasureTooltip() {
var divlist = document.getElementsByClassName("ol-tooltip ol-tooltip-static");
var vlength = divlist.length;
for (var x = vlength - 1; x > -1; x--) {
document.getElementsByClassName("ol-tooltip ol-tooltip-static")[x].parentElement.remove();
}
}
function clearMeasure() {
if (this.MeasureSource != null) {
this.MeasureSource.clear();
//map.removeLayer(this.MeasureVector);
removeMeasureTooltip();
}
}
function stopMeasure() {
if (measureDraw != null) {
map.removeInteraction(measureDraw);
}
}
function addMeasureInteraction(DrawType) {
var _this = this;
if (_this.MeasureVector == null) {
this.addMeasureSource();
}
// if(measureDraw!=null){
// map.removeInteraction(measureDraw);
// }
stopMeasure();
//var type = (typeSelect== 'area' ? 'Polygon' : 'LineString');
//DrawType='Polygon' |'LineString'
measureDraw = new Draw({
source: this.MeasureSource,
type: DrawType,
style: new Style({
fill: new Fill({
color: 'rgba(255, 255, 255, 0.2)'
}),
stroke: new Stroke({
color: 'rgba(0, 0, 0, 0.5)',
lineDash: [10, 10],
width: 2
}),
image: new CircleStyle({
radius: 5,
stroke: new Stroke({
color: 'rgba(0, 0, 0, 0.7)'
}),
fill: new Fill({
color: 'rgba(255, 255, 255, 0.2)'
})
})
})
});
map.addInteraction(measureDraw);
createMeasureTooltip();
createHelpTooltip();
measureDraw.on('drawstart', function (evt) {
//var _this=this;
// set sketch
sketch = evt.feature;
var tooltipCoord = evt.coordinate;
_this.Measurelistener = sketch.getGeometry().on('change', function (evt) {
var geom = evt.target;
var output;
if (geom instanceof Polygon) {
// var geomproject = geom.transform('EPSG:4326','EPSG:3857');
output = formatArea(geom);
//output = formatArea(geom);
tooltipCoord = geom.getInteriorPoint().getCoordinates();
} else if (geom instanceof LineString) {
// var geomproject = geom.transform('EPSG:4326','EPSG:3857');
output = formatLength(geom);
//output = formatLength(geom);
tooltipCoord = geom.getLastCoordinate();
}
measureTooltipElement.innerHTML = output;
measureTooltip.setPosition(tooltipCoord);
});
});
measureDraw.on('drawend', function () {
//var _this=this;
measureTooltipElement.className = 'ol-tooltip ol-tooltip-static';
measureTooltip.setOffset([0, -7]);
// unset sketch
sketch = null;
// unset tooltip so that a new one can be created
measureTooltipElement = null;
createMeasureTooltip();
Observable.unByKey(this.Measurelistener);
stopMeasure();
});
}
function addMeasureSource() {
this.MeasureSource = new VectorSource();
this.MeasureVector = new VectorLayer({
source: this.MeasureSource,
style: new Style({
fill: new Fill({
color: 'rgba(255, 255, 255, 0.2)'
}),
stroke: new Stroke({
color: '#ffcc33',
width: 2
}),
image: new CircleStyle({
radius: 7,
fill: new Fill({
color: '#ffcc33'
})
})
})
});
map.addLayer(this.MeasureVector);
}
//Handle pointer move.
function pointerMoveHandler(evt) {
if (evt.dragging) {
return;
}
var helpMsg = '点击开始测量';
if (sketch) {
var geom = sketch.getGeometry();
if (geom instanceof Polygon) {
helpMsg = continuePolygonMsg;
} else if (geom instanceof LineString) {
helpMsg = continueLineMsg;
}
}
helpTooltipElement.innerHTML = helpMsg;
helpTooltip.setPosition(evt.coordinate);
helpTooltipElement.className = "ol-tooltip ";
};
// Format length output.
var formatLength = function (line) {
console.log("line", line)
var length = sphere.getLength(line);
var output;
length = length * 111000;
if (length > 100) {
output = (Math.round(length / 1000 * 100) / 100) +
' ' + 'km';
} else {
output = (Math.round(length * 100) / 100) +
' ' + 'm';
}
return output;
};
//Format area output.
var formatArea = function (polygon) {
console.log("polygon",polygon)
var area = sphere.getArea(polygon);
var output;
console.log(area,1213312)
if (area > 10000) {
output = (Math.round(area / 1000000 * 100) / 100) +
' ' + 'km<sup>2</sup>';
} else {
output = (Math.round(area * 100) / 100) +
' ' + 'm<sup>2</sup>';
}
return output;
};
//Creates a new help tooltip
function createHelpTooltip() {
if (helpTooltipElement) {
helpTooltipElement.parentNode.removeChild(helpTooltipElement);
}
helpTooltipElement = document.createElement('div');
helpTooltipElement.className = 'ol-tooltip hidden';
helpTooltip = new Overlay({
element: helpTooltipElement,
offset: [15, 0],
positioning: 'center-left'
});
map.addOverlay(helpTooltip);
}
// Creates a new measure tooltip
function createMeasureTooltip() {